Massage roller



FIG. 1 is a perspective view of a massage roller, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left-end elevational view thereof; and,

FIG. 7 is a right-end elevational view thereof.

The broken lines shown in the drawings are included for purposes of illustrating portions of the massage roller and form no part of the claimed design. 

CLAIM I claim the ornamental design for a massage roller, as shown and described. 